diff --git a/addons/addon-serialize/src/SerializeAddon.test.ts b/addons/addon-serialize/src/SerializeAddon.test.ts
index 7cb071bf..0252b201 100644
--- a/addons/addon-serialize/src/SerializeAddon.test.ts
+++ b/addons/addon-serialize/src/SerializeAddon.test.ts
@@ -222,7 +222,7 @@ describe('SerializeAddon', () => {
 
     it('empty terminal with default options', async () => {
       const output = serializeAddon.serializeAsHTML();
-      assert.equal((output.match(/color: #000000; background-color: #ffffff; font-family: courier-new, courier, monospace; font-size: 15px;/g) || []).length, 1, output);
+      assert.equal((output.match(/color: #000000; background-color: #ffffff; font-family: monospace; font-size: 15px;/g) || []).length, 1, output);
     });
 
     it('empty terminal with custom options', async () => {
@@ -242,7 +242,7 @@ describe('SerializeAddon', () => {
       const output = serializeAddon.serializeAsHTML({
         includeGlobalBackground: true
       });
-      assert.equal((output.match(/color: #ffffff; background-color: #000000; font-family: courier-new, courier, monospace; font-size: 15px;/g) || []).length, 1, output);
+      assert.equal((output.match(/color: #ffffff; background-color: #000000; font-family: monospace; font-size: 15px;/g) || []).length, 1, output);
     });
 
     it('cells with custom color styling', async () => {
diff --git a/demo/client.ts b/demo/client.ts
index 02cef73b..4cf465ae 100644
--- a/demo/client.ts
+++ b/demo/client.ts
@@ -262,7 +262,7 @@ function createTerminal(): void {
       backend: 'conpty',
       buildNumber: 22621
     } : undefined,
-    fontFamily: '"Fira Code", courier-new, courier, monospace, "Powerline Extra Symbols"',
+    fontFamily: '"Fira Code", monospace, "Powerline Extra Symbols"',
     theme: xtermjsTheme
   } as ITerminalOptions);
 
diff --git a/src/common/services/OptionsService.ts b/src/common/services/OptionsService.ts
index 4b8ca822..86d9ca71 100644
--- a/src/common/services/OptionsService.ts
+++ b/src/common/services/OptionsService.ts
@@ -21,7 +21,7 @@ export const DEFAULT_OPTIONS: Readonly<Required<ITerminalOptions>> = {
   documentOverride: null,
   fastScrollModifier: 'alt',
   fastScrollSensitivity: 5,
-  fontFamily: 'courier-new, courier, monospace',
+  fontFamily: 'monospace',
   fontSize: 15,
   fontWeight: 'normal',
   fontWeightBold: 'bold',